Add Random as dep to test

[m-wells]

@JuliaRegistrator register()

[JuliaRegistrator]

Error while trying to register: Version 1.0.2 already exists

[m-wells]

@JuliaRegistrator register()

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/2536

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if Julia TagBot is installed, or can be done manually through the github interface, or via:

git tag -a v1.0.3 -m "<description of version>" b9d3cdc71c954f1e821a74b81baaf7892649db96
git push origin v1.0.3